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/*
* Copyright (c) 2011 Tobias Markmann
* Licensed under the simplified BSD license.
* See Documentation/Licenses/BSD-simplified.txt for more information.
*/
/*
* Copyright (c) 2013-2016 Isode Limited.
* All rights reserved.
* See the COPYING file for more information.
*/
#pragma once
#include <memory>
#include <boost/cstdint.hpp>
#include <boost/optional.hpp>
#include <Swiften/Base/API.h>
#include <Swiften/Base/boost_bsignals.h>
#include <Swiften/FileTransfer/FileTransferError.h>
namespace Swift {
/**
* The FileTransfer class provides a general interface for file-transfer
* implmenetations. Currently, only Jingle File Transfer based on XEP-0234 is
* implementated in the \ref OutgoingJingleFileTransfer and
* \ref IncomingJingleFileTransfer classes.
*/
class SWIFTEN_API FileTransfer {
public:
struct State {
enum Type {
Initial,
WaitingForStart,
Negotiating,
WaitingForAccept,
Transferring,
Canceled,
Failed,
Finished
};
State(Type type, const std::string& message = "") : type(type), message(message) {}
Type type;
std::string message;
};
typedef std::shared_ptr<FileTransfer> ref;
public:
FileTransfer();
virtual ~FileTransfer();
virtual void cancel() = 0;
const std::string& getFileName() const {
return filename_;
}
boost::uintmax_t getFileSizeInBytes() const {
return fileSizeInBytes_;
}
const State& getState() const {
return state_;
}
const std::string& getDescription() const {
return description_;
}
public:
boost::signal<void (size_t /* proccessedBytes */)> onProcessedBytes;
boost::signal<void (const State&)> onStateChanged;
boost::signal<void (boost::optional<FileTransferError>)> onFinished;
protected:
void setState(const State& state);
void setFileInfo(const std::string& name, boost::uintmax_t size, const std::string& description);
private:
boost::uintmax_t fileSizeInBytes_;
std::string filename_;
std::string description_;
State state_;
};
}
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Swift